Added automated QEMU test.

Minor text update.

Minor text updates.

src/test_qemu.sh

@@ -0,0 +1,67 @@
+#!/bin/sh
+
+set -e
+
+mkdir -p minimal_overlay/rootfs/etc/autorun
+cat << CEOF > minimal_overlay/rootfs/etc/autorun/99_autoshutdown.sh
+#!/bin/sh
+
+# This script shuts down the OS automatically.
+sleep 10 && poweroff &
+
+echo "  Minimal Linux Live will shut down in 10 seconds."
+
+CEOF
+chmod +x minimal_overlay/rootfs/etc/autorun/99_autoshutdown.sh
+
+cat <<CEOF > minimal_boot/bios/boot/syslinux/syslinux.cfg
+SERIAL 0
+DEFAULT operatingsystem
+LABEL operatingsystem
+    LINUX /boot/kernel.xz
+    APPEND console=tty0 console=ttyS0
+    INITRD /boot/rootfs.xz
+
+CEOF
+
+./repackage.sh
+qemu-system-x86_64 -m 256M -cdrom minimal_linux_live.iso -boot d -localtime -nographic &
+
+sleep 5
+if [ "`ps -ef | grep -i [q]emu-system`" = "" ] ; then
+  echo "`date` | !!! FAILURE !!! Minimal Linux Live is not running in QEMU."
+  exit 1
+else
+  echo "`date` | Minimal Linux Live is running in QEMU. Waiting for automatic shutdown."
+fi
+
+RETRY=10
+while [ ! "$RETRY" = "0" ] ; do
+  echo "`date` | Countdown: $RETRY"
+  if [ "`ps -ef | grep -i [q]emu-system`" = "" ] ; then
+    break
+  fi
+  sleep 30
+  RETRY=$(($RETRY - 1))
+done
+
+if [ "`ps -ef | grep -i [q]emu-system`" = "" ] ; then
+  echo "`date` | Minimal Linux Live is not running in QEMU."
+else
+  echo "`date` | !!! FAILURE !!! Minimal Linux Live is still running in QEMU."
+  exit 1
+fi
+
+cat << CEOF
+
+  ##################################################################
+  #                                                                #
+  #  QEMU test passed. Clean manually the affected MLL artifacts.  #
+  #                                                                #
+  ##################################################################
+
+CEOF
+
+echo "`date` | *** MLL QEMU test - END ***"
+
+set +e